99 строки
1,9 КиБ
Go
99 строки
1,9 КиБ
Go
//go:build nucleol031k6
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// +build nucleol031k6
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package machine
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import (
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"runtime/interrupt"
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"tinygo.org/x/device/stm32"
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)
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const (
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LED = LED_BUILTIN
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LED_BUILTIN = LED_GREEN
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LED_GREEN = PB3
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)
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const (
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// This board does not have a user button, so
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// use first GPIO pin by default
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BUTTON = PA0
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)
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const (
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// Arduino Pins
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A0 = PA0 // ADC_IN0
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A1 = PA1 // ADC_IN1
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A2 = PA3 // ADC_IN3
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A3 = PA4 // ADC_IN4
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A4 = PA5 // ADC_IN5 || I2C1_SDA
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A5 = PA6 // ADC_IN6 || I2C1_SCL
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A6 = PA7 // ADC_IN7
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A7 = PA2 // ADC_IN2
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D0 = PA10 // USART1_TX
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D1 = PA9 // USART1_RX
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D2 = PA12
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D3 = PB0 // TIM2_CH3
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D4 = PB7
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D5 = PB6 // TIM16_CH1N
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D6 = PB1 // TIM14_CH1
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D9 = PA8 // TIM1_CH1
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D10 = PA11 // SPI_CS || TIM1_CH4
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D11 = PB5 // SPI1_MOSI || TIM3_CH2
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D12 = PB4 // SPI1_MISO
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D13 = PB3 // SPI1_SCK
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)
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const (
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// UART pins
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// PA2 and PA15 are connected to the ST-Link Virtual Com Port (VCP)
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UART_TX_PIN = PA2
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UART_RX_PIN = PA15
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// SPI
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SPI1_SCK_PIN = PB3
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SPI1_SDI_PIN = PB5
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SPI1_SDO_PIN = PB4
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SPI0_SCK_PIN = SPI1_SCK_PIN
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SPI0_SDI_PIN = SPI1_SDI_PIN
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SPI0_SDO_PIN = SPI1_SDO_PIN
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// I2C pins
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// PB6 and PB7 are mapped to CN4 pin 7 and CN4 pin 8 respectively with the
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// default solder bridge settings
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I2C0_SCL_PIN = PB7
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I2C0_SDA_PIN = PB6
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I2C0_ALT_FUNC = 1
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)
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var (
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// USART2 is the hardware serial port connected to the onboard ST-LINK
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// debugger to be exposed as virtual COM port over USB on Nucleo boards.
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UART1 = &_UART1
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_UART1 = UART{
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Buffer: NewRingBuffer(),
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Bus: stm32.USART2,
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TxAltFuncSelector: 4,
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RxAltFuncSelector: 4,
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}
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DefaultUART = UART1
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// I2C1 is documented, alias to I2C0 as well
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I2C1 = &I2C{
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Bus: stm32.I2C1,
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AltFuncSelector: 1,
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}
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I2C0 = I2C1
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// SPI
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SPI0 = SPI{
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Bus: stm32.SPI1,
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AltFuncSelector: 0,
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}
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SPI1 = &SPI0
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)
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func init() {
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UART1.Interrupt = interrupt.New(stm32.IRQ_USART2, _UART1.handleInterrupt)
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}
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